Improving threshold distributed energy efficient clustering algorithm for heterogeneous wireless sensor networks

Mostafa Baghouri, Saad Chakkor, Abderrahmane Hajraoui
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引用次数: 3

Abstract

Improving network lifetime is an important challenge in Heterogeneous Wireless sensor Networks. The best way to improve a heterogeneous WSN lifetime is to regrouping the network by the clusters which each one is managed by a leader called Cluster Head. The election of cluster head is based on a predefined probability that each node becomes cluster head and other nodes must join their Cluster Heads to send them their data. These cluster members can be closer to the base station and must send data to their manager, so there is a loss of energy in the network. In this paper, we propose a new technique to improve a threshold distributed energy efficient clustering protocol for heterogeneous wireless sensor networks by excluding the closer nodes to the base station in the clustering process. We demonstrate by simulation in MATLAB that the proposed approach increase the lifetime by around 46% and number of the received packet messages by around 184% than current heterogeneous WSN protocols as TDEEC.
异构无线传感器网络阈值分布式高效聚类算法的改进
提高网络寿命是异构无线传感器网络面临的重要挑战。改善异构WSN生存期的最佳方法是通过集群对网络进行重新分组,每个集群由一个称为集群头的领导者管理。簇头的选举基于一个预定义的概率,即每个节点成为簇头,其他节点必须加入它们的簇头以向它们发送数据。这些集群成员可能离基站更近,并且必须将数据发送给它们的管理器,因此在网络中存在能量损失。在本文中,我们提出了一种新的技术,通过在聚类过程中排除离基站较近的节点,来改进异构无线传感器网络的阈值分布式节能聚类协议。我们在MATLAB中通过仿真证明,与目前的异构WSN协议TDEEC相比,该方法的生存期增加了约46%,接收的分组消息数量增加了约184%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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